CIRCUIT-BREAKER VL 250H HIGH BREAKING CAPACITY ICU=70KA / 415 V AC 4 POLE, LINE PROTECTION ELECTRONIC TRIP UNIT ETU20, LSI IN=250A, RATED CURRENT IR=100-250A, OVERLOAD ISD=1,5TO10XIR, II=11XIN SHORT-CIRCUIT N PROTECTED WITH BOX TERMINAL ETU COMMUNICATION-CAPABLE